A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem.
Forty-three students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help. Construct a 98 confidence interval for p1 - p2. A) (-0.204, 0.124 ) B) (-1.324, 1.521 ) C) (-0.591, 0.762 ) D) (-1.113, 1.311 )
Question 2
The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 5 tickets per day.
Find the probability that exactly eight tickets are written on a randomly selected day from this distribution. A) 0.065278 B) 0.005476 C) 0.003250 D) 0.000273
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